<?php

class SiteController extends Controller {

    /**
     * Declares class-based actions.
     */
    public function actions() {
        return array(
            // captcha action renders the CAPTCHA image displayed on the contact page
            'captcha' => array(
                'class' => 'CCaptchaAction',
                'backColor' => 0xFFFFFF,
            ),
            // page action renders "static" pages stored under 'protected/views/site/pages'
            // They can be accessed via: index.php?r=site/page&view=FileName
            'page' => array(
                'class' => 'CViewAction',
            ),
        );
    }

    /**
     * This is the action to handle external exceptions.
     */
    public function actionError() {
        if ($error = Yii::app()->errorHandler->error) {
            if (Yii::app()->request->isAjaxRequest)
                echo $error['message'];
            else
                echo $error['message'];
                //$this->render('error', $error);
        }
    }

    /**
     * Displays the login page
     */
    public function actionLogin() {
        $this->layout = '//layouts/login';
        $model = new LoginForm;

        if (preg_match('/Corona/', $_SERVER["HTTP_USER_AGENT"]))
            die("Please Login");
        
        // if it is ajax validation request
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'login-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }

        // collect user input data
        if (isset($_POST['LoginForm'])) {
            $model->attributes = $_POST['LoginForm'];
            // validate user input and redirect to the previous page if valid
            if ($model->validate() && $model->login())
                $this->redirect(Yii::app()->user->returnUrl);
            // Display error message
            Yii::app()->user->setFlash('error', 'Login fail! Please check your account again');
        }

        $user = new TUsers();
        // display the login form
        $this->render('login', array('model' => $model, 'user' => $user));
    }

    public function actionSignup() {
        $this->layout = '//layouts/signup';

        // user register function
        $user = new TUsers();
        if (isset($_POST['TUsers'])) {
            $user->created_date = new CDbExpression('NOW()');
            $user->attributes = $_POST['TUsers'];
            $firstSignup = false;
            if ($user->username == "") {
                // mark this is the first time sign up
                $firstSignup = true;
                $user->username = trim($user->full_name);
                $user->username = str_replace(" ", "", $user->username);
            }
            
            // Create a default profile
            $user->avatar  = 'default_avatar.png';
            $validateStatus = $user->validate();
            if (!$firstSignup) {
                $user->password = md5($user->password);
                if ($user->save()) {
                    // Redirect to login page
                    Yii::app()->user->setFlash('success', 'Register Successful');
                    $this->redirect(Yii::app()->createUrl('/site/login'));
                } else {
                    $user->password = "";
                    Yii::app()->user->setFlash('error', 'Register Fail');
                }
            }
        }
        $this->render('signup', array('model' => $user));
    }

    /**
     * Logs out the current user and redirect to homepage.
     */
    public function actionLogout() {
        Yii::app()->user->logout();
        $this->redirect(Yii::app()->homeUrl);
    }

}